12002122222020 has 120 divisors (see below), whose sum is σ = 43029830821824. Its totient is φ = 2743342219584.

The previous prime is 12002122222009. The next prime is 12002122222033. The reversal of 12002122222020 is 2022222120021.

12002122222020 is a `hidden beast` number, since 1 + 200 + 2 + 1 + 222 + 220 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12002122221984 and 12002122222002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 529182762 + ... + 529205441.

Almost surely, 2^{12002122222020} is an apocalyptic number.

12002122222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002122222020 is an abundant number, since it is smaller than the sum of its proper divisors (31027708599804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12002122222020 is a wasteful number, since it uses less digits than its factorization.

12002122222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058388231 (or 1058388220 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12002122222020 its reverse (2022222120021), we get a palindrome (14024344342041).

The spelling of 12002122222020 in words is "twelve trillion, two billion, one hundred twenty-two million, two hundred twenty-two thousand, twenty".